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Technical Data Sheet
WC-57851 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

CYLINDER ASSEMBLY,HYDRAULIC BRAK. Key specifications include material: IRON CAST BODY, bore_type: STRAIGHT, port_style: INVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED, bore_diameter: 1.500 INCHES NOMINAL IN, overall_width: 3.540 INCHES NOMINAL IN, overall_height: 2.400 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-248-3537, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
WC-57851
NSN: 2530-00-248-3537
FSC: 2530
CAGE: 66614 — TRW INC REPLACEMENT PARTS DIV (USA)
SPECIFICATIONS
materialIRON CAST BODY
bore_typeSTRAIGHT
port_styleINVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED
bore_diameter1.500 INCHES NOMINAL IN
overall_width3.540 INCHES NOMINAL IN
overall_height2.400 INCHES NOMINAL IN
special_featuresEXCEPT AS MODIFIED BY STYLE,THREE MTG HOLES IN LIEU OF FOUR
mounting_positionLEFT AND RIGHT
port_thread_class2B LOCATION NOT OTHERWISE SPECIFIED
seat_angle_in_deg42.0 LOCATION NOT OTHERWISE SPECIFIED
mounting_provisionTHREADED MOUNTING HOLES
port_thread_diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN2530-00-248-3537
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,HYDRAULIC BRAK TITLE COMPONENT PN WC-57851 MFR CYLINDER ASSEMBLY,HYDR
KEY FEATURES
PORT THREAD SERIES DESIGNATOR: UNS LOCATION NOT OTHERWISE SPECIFIED
DESIGN CHARACTERISTICS: DOUBLE ACTING SINGLE CYLINDER
MOUNTING FACILITY THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
MOUNTING PROVISION ARRANGEMENT STYLE: FOUR HOLE RECTANGULAR
SEAT ANGLE IN DEG: 42.0 LOCATION NOT OTHERWISE SPECIFIED
PORT THREAD QUANTITY PER INCH: 24 LOCATION NOT OTHERWISE SPECIFIED
MATERIAL: IRON CAST BODY
TECHNICAL CHARACTERISTICS (FLIS)
PORT THREAD SERIES DESIGNATORUNS LOCATION NOT OTHERWISE SPECIFIED
DESIGN CHARACTERISTICSDOUBLE ACTING SINGLE CYLINDER
SPECIAL FEATURESEXCEPT AS MODIFIED BY STYLE,THREE MTG HOLES IN LIEU OF FOUR
MOUNTING FACILITY THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MOUNTING PROVISION ARRANGEMENT STYLEFOUR HOLE RECTANGULAR
SEAT ANGLE IN DEG42.0 LOCATION NOT OTHERWISE SPECIFIED
PORT THREAD QUANTITY PER INCH24 LOCATION NOT OTHERWISE SPECIFIED
MATERIALIRON CAST BODY
PORT STYLEINVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED
PORT THREAD DIAMETER0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
3555-2Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-21346/3Interchangeable
interchangeable cross-reference
interchangeable
FH25BMInterchangeable
interchangeable cross-reference
interchangeable
125278Interchangeable
interchangeable cross-reference
interchangeable
35-51Interchangeable
interchangeable cross-reference
interchangeable
200075-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WC-57851?
WC-57851 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace WC-57851?
There are 26 known substitutes for WC-57851: 3555-2, MIL-F-21346/3, FH25BM and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WC-57851?
WC-57851 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-248-3537. This indicates validated use in U.S. government and defense supply chains.
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